1116103 has 4 divisors (see below), whose sum is σ = 1135080. Its totient is φ = 1097128.

The previous prime is 1116091. The next prime is 1116107. The reversal of 1116103 is 3016111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3016111 = 7 ⋅430873.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9400 + ... + 9517.

It is an arithmetic number, because the mean of its divisors is an integer number (283770).

2^1116103 is an apocalyptic number.

1116103 is a deficient number, since it is larger than the sum of its proper divisors (18977).

1116103 is an equidigital number, since it uses as much as digits as its factorization.

1116103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18976.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1116103 is about 1056.4577606322. The cubic root of 1116103 is about 103.7292947504.

The spelling of 1116103 in words is "one million, one hundred sixteen thousand, one hundred three".